CN116038539A - Polishing device for cast iron wheel machining - Google Patents

Abstract

The utility model is applicable to the technical field of cast iron wheels, and provides a polishing device for cast iron wheel processing, which comprises a workbench, wherein a supporting frame is arranged at the top of the workbench, a polishing mechanism is arranged in the supporting frame, a limiting mechanism is arranged at the top of the workbench, a turnover mechanism is arranged on the limiting mechanism, and the turnover mechanism is connected with the limiting mechanism; if the height of the cast iron wheel needs to be adjusted, a hydraulic cylinder III and a motor IV are started to disconnect the power supply of the electromagnet, so that the motor IV drives the transverse plate I to rotate, the clamping block I is positioned above the transmission shaft, the hydraulic cylinder III pushes the cast iron wheel to ascend through the clamping block II, the upper surface of the cast iron wheel is higher than the upper surface of the electromagnet, after the height adjustment is finished, the electromagnet is electrified to limit the two ends of the cast iron wheel, the cast iron wheel is prevented from moving during processing, and the clamping block II supports the bottom of the cast iron wheel.

Description

Polishing device for cast iron wheel machining

Technical Field

The utility model belongs to the technical field of cast iron wheel machining, and particularly relates to a polishing device for cast iron wheel machining.

Background

Polishing refers to a processing method for reducing the surface roughness of a workpiece by utilizing the action of machinery, chemistry or electrochemistry to obtain a bright and flat surface, polishing refers to the finishing processing of the surface of the workpiece by utilizing a polishing tool and abrasive particles or other polishing media, and a cast iron wheel needs polishing work in the production process.

The utility model patent of China with the publication number of CN213289876U discloses a polishing device for processing a cast iron wheel, which comprises a bottom plate supporting plate, bolts and a dust cover, wherein a short clamping block is fixedly connected to the central position of the top of the supporting plate, a rubber layer is fixedly connected to the left side of the short clamping block, a supporting block is arranged at the bottom of the rubber layer, a long clamping block is arranged on the right side of the short clamping block, a sliding rod is arranged at the bottom of the long clamping block, a bolt is arranged right above the sliding rod, a nut is spirally connected to the outer side of the bolt, and an electric fan is arranged right below the sliding rod; above-mentioned patent is through the cooperation of bolt, short clamp splice, long clamp splice and nut, can be convenient fix a position cast iron wheel, makes cast iron wheel polishing more easily, can make cast iron wheel and backup pad contact simultaneously through the supporting shoe, and the polishing wheel can not contact the backup pad when polishing cast iron wheel to protect the backup pad.

However, the above patent has the following disadvantages:

1. in the clamping process, the top surface of the cast iron wheel is always below the top surface of the clamping block, and when the grinding wheel grinds the two ends of the cast iron wheel, the side wall of the grinding wheel is always contacted with the clamping block, so that the clamping block is damaged and needs to be replaced frequently; and the top surface of the cast iron wheel is manually moved to the upper part of the top surface of the clamping block, so that the labor is consumed.

2. Above-mentioned patent is through rotating the bolt to realize that long clamp splice removes towards short clamp splice, thereby support the cast iron wheel fixed on short clamp splice, this kind of clamping method needs the long clamp splice of reverse movement just be convenient for the staff turn over the cast iron wheel, frequent turn over the cast iron wheel through this kind of mode, and it not only can reduce machining efficiency, still can consume the manpower more.

Disclosure of Invention

The utility model provides a polishing device for cast iron wheel processing, which aims to solve the problem that when two ends of a cast iron wheel are polished by a polishing wheel, the side wall of the polishing wheel is always contacted with a clamping block, so that the clamping block is damaged and needs to be replaced frequently; and frequent turn-over is carried out to the cast iron wheel through the manual work, and it not only can reduce machining efficiency, still can consume the problem of manpower more.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the polishing device for the cast iron wheel machining comprises a workbench, wherein a supporting frame is arranged at the top of the workbench, a polishing mechanism is arranged in the supporting frame, a limiting mechanism is arranged at the top of the workbench, a turnover mechanism is arranged on the limiting mechanism, and the turnover mechanism is connected with the limiting mechanism; the limiting mechanism comprises two limiting blocks for limiting two side surfaces of an object and an adjusting component I for adjusting the transverse positions of the two limiting blocks, wherein the two limiting blocks are positioned on the adjusting component I, and the adjusting component I is positioned at the top of the workbench; the turnover mechanism comprises clamping assemblies used for clamping two ends of an object and adjusting assemblies II used for adjusting the vertical angles of the clamping assemblies, the adjusting assemblies II are located on the limiting blocks, and the clamping assemblies are located on the adjusting assemblies II.

Preferably, the polishing mechanism comprises a screw, the screw is positioned in the support frame, two ends of the screw are rotationally connected with the support frame, a nut is screwed on the side wall of the screw, the nut is in sliding connection with the support frame, a first motor is mounted on the side wall of the support frame, and an output shaft of the first motor is fixedly connected with the screw; a support plate is arranged below the nut, a first hydraulic cylinder is arranged between the nut and the support plate, the first hydraulic cylinder is fixedly connected with the nut, an output shaft of the first hydraulic cylinder is fixedly connected with the support plate, a second motor is arranged at the bottom of the support plate, and a grinding wheel is arranged on an output shaft of the second motor; in the scheme, the screw and the nut are arranged, the transverse position of the grinding wheel can be adjusted through the arrangement of the screw and the nut, the vertical position of the grinding wheel can be adjusted through the arrangement of the hydraulic cylinder I, the motor II is matched with the motor I and the hydraulic cylinder I, and the top surface of the cast iron wheel can be completely ground.

Preferably, the first adjusting component comprises a shell, wherein the shell is positioned at the top of the workbench and is fixedly connected with the workbench, a support column is vertically arranged in the middle position inside the shell, the support column is fixedly connected with the shell, a bidirectional screw rod is horizontally arranged inside the support column, and the bidirectional screw rod is rotatably connected with the shell; two nuts are screwed on the side wall of the bidirectional screw rod, the two nuts are symmetrically distributed along the supporting column, the two limiting blocks are fixedly connected with the two nuts respectively, the two nuts are in sliding connection with the shell, a through hole is formed in the top of the shell, the two limiting blocks slide in the shell through the through hole, a motor III is further mounted on the top of the workbench, and an output shaft of the motor III is fixedly connected with the bidirectional screw rod; in the scheme, by arranging the bidirectional screw rod, when the bidirectional screw rod rotates, two limiting blocks on two nuts can be driven to move towards the cast iron wheel, so that the cast iron wheel is clamped and fixed.

Preferably, the clamping assembly and the second adjusting assembly are respectively provided with two groups, the two groups of adjusting assemblies are respectively arranged on the two limiting blocks, and the two groups of clamping assemblies are respectively arranged on the two groups of adjusting assemblies; the clamping assembly comprises a connecting piece, the connecting piece is positioned on the second adjusting assembly and connected with the second adjusting assembly, a first fixing assembly and a second fixing assembly are respectively arranged at the top and the bottom of the connecting piece, and electromagnets are arranged on the opposite sides of the two connecting pieces; in the scheme, the electromagnet is arranged, and the cast iron wheel can be adsorbed on the electromagnet after the electromagnet is electrified.

Preferably, the first fixing component comprises a motor IV, the motor IV is positioned at the top of the connecting piece and is fixedly connected with the connecting piece, a transverse plate I is arranged on an output shaft of the motor IV, one end of the transverse plate I is fixedly connected with an output shaft of the motor IV, a hydraulic cylinder II is arranged at the other end of the transverse plate I, and a clamping block I is arranged on an output shaft of the hydraulic cylinder II; the second fixing component comprises a second motor, the second motor is positioned at the bottom of the connecting piece and is fixedly connected with the connecting piece, a second transverse plate is arranged on an output shaft of the second motor, one end of the second transverse plate is fixedly connected with the output shaft of the second motor, a third hydraulic cylinder is arranged at the other end of the second transverse plate, and a second clamping block is arranged on the output shaft of the third hydraulic cylinder; through setting up fixed subassembly one and fixed subassembly two in this scheme, this fixed subassembly one and fixed subassembly two mutually support, its cast iron wheel of in-process that can avoid turning over takes place to drop, can also make the top surface of cast iron wheel higher than the top surface of electro-magnet, avoids polishing the wheel cutting to the electro-magnet.

Preferably, the second adjusting component comprises a motor six, the motor six is positioned at one side of the limiting block away from the connecting piece, the motor six is fixedly connected with the limiting block, a transmission shaft is arranged between the limiting block and the connecting piece, an output shaft of the motor six is connected with one end of the transmission shaft through a speed reducing component, and the other end of the transmission shaft is fixedly connected with the connecting piece; in the scheme, the second adjusting component is arranged, and the second adjusting component drives the connecting piece to rotate through the motor six, so that the clamped cast iron wheel is turned over.

Preferably, the speed reducing assembly comprises a shell, the shell is positioned on the limiting block and fixedly connected with the limiting block, a first rotating shaft is horizontally arranged in the shell, one end of the first rotating shaft is fixedly connected with an output shaft of the motor six, and the other end of the first rotating shaft is rotatably connected with the shell; a second rotating shaft is arranged above the first rotating shaft, one end of the second rotating shaft is rotationally connected with the shell, and the other end of the second rotating shaft is fixedly connected with the transmission shaft; a pinion is sleeved on the side wall of the first rotating shaft, a large gear is sleeved on the side wall of the second rotating shaft, and the pinion and the large gear are mutually corresponding and are in meshed connection; in the scheme, the arrangement of the pinion and the large gear can enable the rotation speed of the second rotating shaft to be lower than that of the first rotating shaft so as to improve the torque of the transmission shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up the clamping assembly, if need adjust the height of cast iron wheel, open the power of pneumatic cylinder III and motor IV and disconnection electro-magnet, make motor IV drive diaphragm one rotate, with make grip block one be located the top of transmission shaft, and pneumatic cylinder III then promote cast iron wheel through grip block two and rise, with the upper surface that makes cast iron wheel is higher than the upper surface of electro-magnet, after highly adjusting, switch on the electro-magnet, with spacing the both ends of cast iron wheel, prevent to cast iron wheel and take place to remove when processing, and grip block two then support the bottom of cast iron wheel, this device can be under the prerequisite that does not need the manual work to remove cast iron wheel, avoid polishing the wheel to touch other objects.

2. Through setting up tilting mechanism, if the top surface processing of cast iron wheel is accomplished the back, the cooperation of accessible clamping assembly and electro-magnet to carry out spacingly to both ends and the side of cast iron wheel, then drive clamping assembly vertical rotation through adjusting part two, until the bottom surface that makes cast iron wheel is corresponding with the wheel of polishing, this device can avoid the manual work to turn over cast iron wheel, when improving machining efficiency, still reduced the consumption of manpower.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an elevational view of the present utility model in the manufacture of cast iron wheels;

FIG. 2 is an enlarged view of the structure at A on the first adjustment assembly of FIG. 1;

FIG. 3 is a partial cross-sectional view of one of the adjustment assemblies of FIG. 1;

FIG. 4 is a cross-sectional view of the deceleration assembly of FIG. 2;

FIG. 5 is a front view of the present utility model with the cast iron wheel inverted;

FIG. 6 is an enlarged view of the structure at B on the first adjustment assembly of FIG. 5;

in the figure:

1. a work table; 2. a support frame; 3. a polishing mechanism; 4. a limiting mechanism; 5. a turnover mechanism;

31. a screw; 32. a nut; 33. a first motor; 34. a support plate; 35. a first hydraulic cylinder; 36. a second motor; 37. grinding wheel;

41. a limiting block; 42. an adjusting component I;

51. a clamping assembly; 52. an adjusting component II;

421. a housing; 422. a support column; 423. a two-way screw rod; 424. a nut; 425. a through hole; 426. a third motor;

511. a connecting piece; 512. a first fixing component; 513. a second fixing component; 514. an electromagnet;

521. a sixth motor; 522. a transmission shaft; 523. a deceleration assembly;

5121. a fourth motor; 5122. a transverse plate I; 5123. a second hydraulic cylinder; 5124. a clamping block I;

5131. a fifth motor; 5132. a transverse plate II; 5133. a hydraulic cylinder III; 5134. a clamping block II;

5231. a housing; 5232. a first rotating shaft; 5233. a second rotating shaft; 5234. a pinion gear; 5235. a large gear.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-6, a polishing device for cast iron wheel machining comprises a workbench 1, wherein a supporting frame 2 is arranged at the top of the workbench 1, a polishing mechanism 3 is arranged in the supporting frame 2, a limiting mechanism 4 is arranged at the top of the workbench 1, a turnover mechanism 5 is arranged on the limiting mechanism 4, and the turnover mechanism 5 is connected with the limiting mechanism 4; the limiting mechanism 4 comprises two limiting blocks 41 for limiting two lateral surfaces of an object and a first adjusting component 42 for adjusting the transverse positions of the two limiting blocks 41, wherein the two limiting blocks 41 are positioned on the first adjusting component 42, and the first adjusting component 42 is positioned at the top of the workbench 1; the turnover mechanism 5 comprises clamping assemblies 51 used for clamping two ends of an object and second adjusting assemblies 52 used for adjusting the vertical angles of the clamping assemblies 51, the second adjusting assemblies 52 are located on the limiting blocks 41, and the clamping assemblies 51 are located on the second adjusting assemblies 52.

Specifically, the bottom of the workbench 1 is provided with a plurality of supporting legs, a reinforcing plate is arranged between every two supporting legs, the height of the workbench 1 can be increased due to the arrangement of the supporting legs, and accumulated water on the ground is prevented from penetrating into the workbench 1; the arrangement of the reinforcing plate can improve the overall stability of the device.

Further, the polishing mechanism 3 comprises a screw 31, the screw 31 is positioned in the support frame 2, two ends of the screw 31 are rotationally connected with the support frame 2, a nut 32 is screwed on the side wall of the screw 31, the nut 32 is in sliding connection with the support frame 2, a first motor 33 is arranged on the side wall of the support frame 2, and an output shaft of the first motor 33 is fixedly connected with the screw 31; the below of nut 32 is provided with backup pad 34, is provided with pneumatic cylinder one 35 between nut 32 and the backup pad 34, pneumatic cylinder one 35 and nut 32 fixed connection, and the output shaft of pneumatic cylinder one 35 and backup pad 34 fixed connection, motor two 36 are installed to the bottom of backup pad 34, and grinding wheel 37 is installed to the output shaft of motor two 36.

Specifically, the top of the nut 32 is provided with a sliding block, and the inside of the support frame 2 is provided with a sliding groove corresponding to the sliding block, and the nut 32 is slidably connected with the support frame 2 through the sliding block and the sliding groove, and the sliding block and the sliding groove not only can provide guidance for the movement of the nut 32 in the horizontal direction, but also can limit the degree of freedom of the rotation of the nut 32.

Further, the first adjusting component 42 includes a housing 421, the housing 421 is located at the top of the workbench 1 and is fixedly connected with the workbench 1, a support column 422 is vertically disposed at a middle position inside the housing 421, the support column 422 is fixedly connected with the housing 421, a bidirectional screw 423 is horizontally disposed inside the support column 422, and the bidirectional screw 423 is rotatably connected with the housing 421; two nuts 424 are screwed on the side wall of the bidirectional screw rod 423, the two nuts 424 are symmetrically distributed along the supporting columns 422, the two limiting blocks 41 are fixedly connected with the two nuts 424 respectively, the two nuts 424 are slidably connected with the shell 421, a through hole 425 is formed in the top of the shell 421, the two limiting blocks 41 slide in the shell 421 through the through hole 425, a motor III 426 is further mounted on the top of the workbench 1, and an output shaft of the motor III 426 is fixedly connected with the bidirectional screw rod 423.

Specifically, the junction of casing 421 and two-way lead screw 423 is provided with the bearing, and the outer lane and the casing 421 fixed connection of this bearing, the inner circle and the two-way lead screw 423 fixed connection of bearing, the setting of this bearing not only can support two-way lead screw 423 and rotate in casing 421, can also reduce the friction that rotates and produce.

Further, two groups of clamping assemblies 51 and two groups of adjusting assemblies 52 are arranged, the two groups of adjusting assemblies 52 are respectively arranged on the two limiting blocks 41, and the two groups of clamping assemblies 51 are respectively arranged on the two groups of adjusting assemblies 52; the clamping assembly 51 comprises a connecting piece 511, the connecting piece 511 is located on a second adjusting assembly 52 and is connected with the second adjusting assembly 52, a first fixing assembly 512 and a second fixing assembly 513 are respectively installed at the top and the bottom of the connecting piece 511, and electromagnets 514 are installed on the opposite sides of the two connecting pieces 511.

Further, the first fixing component 512 includes a fourth motor 5121, the fourth motor 5121 is located at the top of the connecting piece 511 and is fixedly connected with the connecting piece 511, a first transverse plate 5122 is arranged on an output shaft of the fourth motor 5121, one end of the first transverse plate 5122 is fixedly connected with an output shaft of the fourth motor 5121, a second hydraulic cylinder 5123 is installed at the other end of the first transverse plate 5122, and a first clamping block 5124 is installed on an output shaft of the second hydraulic cylinder 5123; the second fixing component 513 includes a fifth motor 5131, the fifth motor 5131 is located at the bottom of the connecting piece 511 and is fixedly connected with the connecting piece 511, a second transverse plate 5132 is disposed on an output shaft of the fifth motor 5131, one end of the second transverse plate 5132 is fixedly connected with an output shaft of the fifth motor 5131, a third hydraulic cylinder 5133 is mounted at the other end of the second transverse plate 5132, and a second clamping block 5134 is mounted on an output shaft of the third hydraulic cylinder 5133.

Further, the second adjusting component 52 includes a sixth motor 521, the sixth motor 521 is located at a side of the limiting block 41 away from the connecting piece 511, the sixth motor 521 is fixedly connected with the limiting block 41, a transmission shaft 522 is disposed between the limiting block 41 and the connecting piece 511, an output shaft of the sixth motor 521 is connected with one end of the transmission shaft 522 through a speed reducing component 523, and the other end of the transmission shaft 522 is fixedly connected with the connecting piece 511.

Further, the speed reducing component 523 includes a housing 5231, the housing 5231 is located on the limiting block 41 and is fixedly connected with the limiting block 41, a first rotating shaft 5232 is horizontally disposed in the housing 5231, one end of the first rotating shaft 5232 is fixedly connected with the output shaft of the sixth motor 521, and the other end of the first rotating shaft 5232 is rotatably connected with the housing 5231; a second rotating shaft 5233 is arranged above the first rotating shaft 5232, one end of the second rotating shaft 5233 is rotatably connected with the shell 5231, and the other end of the second rotating shaft 5233 is fixedly connected with the transmission shaft 522; pinion 5234 is sleeved on the side wall of first rotating shaft 5232, large gear 5235 is sleeved on the side wall of second rotating shaft 5233, and pinion 5234 and large gear 5235 are mutually corresponding and meshed.

Specifically, the diameter of the pinion 5234 is smaller than the diameter of the large gear 5235, which may be 1 to 2 in diameter.

The working principle of the utility model is as follows:

referring to fig. 1-6, a worker firstly places a cast iron wheel above the first adjusting component 42, then starts the third motor 426, so that an output shaft of the third motor 426 drives the bidirectional screw rod 423 to rotate, at the moment, the two nuts 424 drive the two limiting blocks 41 to move towards the cast iron wheel until the two electromagnets 514 are respectively contacted with two ends of the cast iron wheel, thereby clamping and fixing the cast iron wheel, then the worker withdraws from a working area, then starts the fourth motor 5121, so that the fourth motor 5121 drives the first transverse plate 5122 to rotate, so that the first clamping block 5124 is positioned above the transmission shaft 522, then starts the third hydraulic cylinder 5133 and cuts off a power supply of the electromagnets 514, so that the third hydraulic cylinder 5133 drives the second clamping block 5134 to move upwards until the top surface of the cast iron wheel is higher than the top surface of the electromagnets 514, then starts the electromagnets 514 to attract two ends of the cast iron wheel, after the two electromagnets 514 are fixed, the first motor 33, the first hydraulic cylinder 35 and the second motor 36 are started, so that the output shaft of the first motor 33 drives the screw rod 31 to rotate, and the first grinding wheel 37 is driven by the fourth motor 5121 to move transversely, and then the first hydraulic cylinder 35 drives the second grinding wheel 37 to rotate, and the second grinding wheel 37 is driven by the second grinding wheel 37 to rotate, so that the second grinding wheel 37 is matched with the grinding device to rotate;

after the top surface of the cast iron wheel is polished, the power supply of the electromagnet 514 is disconnected again, the hydraulic cylinder III 5133 and the motor IV 5121 are started, the hydraulic cylinder III 5133 drives the clamping block II 5134 to descend, at the moment, the cast iron wheel descends along with the descending of the clamping block II 5134, the motor IV 5121 regulates the hydraulic cylinder II 5123 to the upper part of the cast iron wheel through the transverse plate I5122, then the hydraulic cylinder III 5133 is closed, the electromagnet 514 and the hydraulic cylinder II 5123 are started, the electromagnet 514 is attracted to the two ends of the cast iron wheel, the hydraulic cylinder II 5123 drives the clamping block I5124 to move downwards until the clamping block I5124 is contacted with the cast iron wheel, so that the cast iron wheel is doubly fixed, finally, the connecting piece 511 is driven to rotate through the motor VI and the decelerating component 523, so that the clamped cast iron wheel is overturned, and when the bottom of the cast iron wheel corresponds to the polishing wheel 37, the steps are repeated, and the cast iron wheel can be polished.

The previous description is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides a burnishing device is used in cast iron wheel processing, includes workstation (1), its characterized in that: the polishing device comprises a workbench (1), and is characterized in that a supporting frame (2) is arranged at the top of the workbench (1), a polishing mechanism (3) is arranged in the supporting frame (2), a limiting mechanism (4) is arranged at the top of the workbench (1), a turnover mechanism (5) is arranged on the limiting mechanism (4), and the turnover mechanism (5) is connected with the limiting mechanism (4);

the limiting mechanism (4) comprises two limiting blocks (41) used for limiting two side surfaces of an object and an adjusting component I (42) used for adjusting the transverse positions of the two limiting blocks (41), the two limiting blocks (41) are both positioned on the adjusting component I (42), and the adjusting component I (42) is positioned at the top of the workbench (1);

the turnover mechanism (5) comprises clamping assemblies (51) used for clamping two ends of an object and second adjusting assemblies (52) used for adjusting the vertical angles of the clamping assemblies (51), the second adjusting assemblies (52) are located on the limiting blocks (41), and the clamping assemblies (51) are located on the second adjusting assemblies (52).

2. The polishing apparatus for cast iron wheel processing as set forth in claim 1, wherein:

the polishing mechanism (3) comprises a screw rod (31), the screw rod (31) is positioned in the support frame (2), two ends of the screw rod (31) are rotationally connected with the support frame (2), a nut (32) is screwed on the side wall of the screw rod (31), the nut (32) is in sliding connection with the support frame (2), a motor I (33) is mounted on the side wall of the support frame (2), and an output shaft of the motor I (33) is fixedly connected with the screw rod (31);

the utility model discloses a grinding wheel, including nut (32), backup pad (34) are provided with below of nut (32), nut (32) with be provided with pneumatic cylinder (35) between backup pad (34), pneumatic cylinder (35) with nut (32) fixed connection, the output shaft of pneumatic cylinder (35) with backup pad (34) fixed connection, motor two (36) are installed to the bottom of backup pad (34), grinding wheel (37) are installed to the output shaft of motor two (36).

3. The polishing apparatus for cast iron wheel processing as set forth in claim 1, wherein:

the first adjusting component (42) comprises a shell (421), the shell (421) is located at the top of the workbench (1) and is fixedly connected with the workbench (1), a support column (422) is vertically arranged at the middle position inside the shell (421), the support column (422) is fixedly connected with the shell (421), a bidirectional screw rod (423) is horizontally arranged inside the support column (422), and the bidirectional screw rod (423) is rotatably connected with the shell (421);

two nuts (424) are screwed on the side wall of the bidirectional screw rod (423), the two nuts (424) are symmetrically distributed along the supporting column (422), the two limiting blocks (41) are fixedly connected with the two nuts (424) respectively, the two nuts (424) are both in sliding connection with the shell (421), a through hole (425) is formed in the top of the shell (421), the two limiting blocks (41) slide in the shell (421) through the through hole (425), a motor III (426) is further mounted on the top of the workbench (1), and an output shaft of the motor III (426) is fixedly connected with the bidirectional screw rod (423).

4. The polishing apparatus for cast iron wheel processing as set forth in claim 1, wherein:

the clamping assemblies (51) and the second adjusting assemblies (52) are respectively provided with two groups, the second adjusting assemblies (52) of the two groups are respectively arranged on the two limiting blocks (41), and the two groups of the clamping assemblies (51) are respectively arranged on the second adjusting assemblies (52);

the clamping assembly (51) comprises a connecting piece (511), the connecting piece (511) is located on the second adjusting assembly (52) and is connected with the second adjusting assembly (52), a first fixing assembly (512) and a second fixing assembly (513) are respectively installed at the top and the bottom of the connecting piece (511), and electromagnets (514) are installed on two opposite sides of the connecting piece (511).

5. The polishing apparatus for cast iron wheel processing as defined in claim 4, wherein:

the first fixing assembly (512) comprises a motor IV (5121), the motor IV (5121) is positioned at the top of the connecting piece (511) and is fixedly connected with the connecting piece (511), a first transverse plate (5122) is arranged on an output shaft of the motor IV (5121), one end of the first transverse plate (5122) is fixedly connected with an output shaft of the motor IV (5121), a second hydraulic cylinder (5123) is arranged at the other end of the first transverse plate (5122), and a first clamping block (5124) is arranged on an output shaft of the second hydraulic cylinder (5123);

the second fixing assembly (513) comprises a fifth motor (5131), the fifth motor (5131) is located at the bottom of the connecting piece (511) and fixedly connected with the connecting piece (511), a second transverse plate (5132) is arranged on an output shaft of the fifth motor (5131), one end of the second transverse plate (5132) is fixedly connected with an output shaft of the fifth motor (5131), a third hydraulic cylinder (5133) is arranged at the other end of the second transverse plate (5132), and a second clamping block (5134) is arranged on an output shaft of the third hydraulic cylinder (5133).

6. The polishing apparatus for cast iron wheel processing as defined in claim 5, wherein:

the adjusting component II (52) comprises a motor six (521), the motor six (521) is located at one side, far away from the connecting piece (511), of the limiting block (41), the motor six (521) is fixedly connected with the limiting block (41), a transmission shaft (522) is arranged between the limiting block (41) and the connecting piece (511), an output shaft of the motor six (521) is connected with one end of the transmission shaft (522) through a speed reducing component (523), and the other end of the transmission shaft (522) is fixedly connected with the connecting piece (511).

7. The polishing apparatus for cast iron wheel processing as defined in claim 6, wherein:

the speed reducing assembly (523) comprises a shell (5231), the shell (5231) is positioned on the limiting block (41) and fixedly connected with the limiting block (41), a first rotating shaft (5232) is horizontally arranged in the shell (5231), one end of the first rotating shaft (5232) is fixedly connected with an output shaft of the motor (521), and the other end of the first rotating shaft (5232) is rotatably connected with the shell (5231);

a second rotating shaft (5233) is arranged above the first rotating shaft (5232), one end of the second rotating shaft (5233) is rotatably connected with the shell (5231), and the other end of the second rotating shaft (5233) is fixedly connected with the transmission shaft (522);

pinion (5234) is installed to the cover on pivot one (5232) lateral wall, big gear (5235) is installed to the cover on the lateral wall of pivot two (5233), pinion (5234) with big gear (5235) correspond each other and the meshing is connected.

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